Time：2023-03-28 01:12:27 source：psychiatricethics.com author：Prevent anxiety Read：943次

Is it a disease to have red blood in the eyes? What conditions can cause red eyes?

Often staying up late, lack of sleep, overuse of the eyes, etc. will make the eyes bloodshot. Due to the large number of capillaries distributed in the eye, the naked eye cannot detect it at all. When the capillaries are congested or dilated, they will appear in the form of red blood. Red blood in the eyes is not just simple overwork, but also may be caused by other factors. What causes red eyes? 1. Excessive use of the eyes, often staying up late, working night shifts for a long time, playing mobile phones or computers for a long time, etc., can easily cause eye fatigue, promote the expansion of conjunctival blood vessels, and cause red blood in the white part of the eyes. 2. Eye allergies After contact with allergens, such as animal fur, mites and pollen, allergic conjunctivitis is easily caused, which is mainly manifested as itching and redness of the eyes. When rubbing with hands, the itching symptoms can be aggravated, and a large amount of secretions can appear in severe cases. People with allergic diseases are prone to allergic conjunctivitis, such as allergic asthma, allergic dermatitis and allergic rhinitis. 3. Frequently wearing contact lenses, dust in the air, eyelashes and hair will irritate the eyes and cause conjunctival hyperemia, resulting in red blood, itching and foreign body sensation in the eyes. Generally, after removing the foreign body, pay more attention to rest. get better. It is worth noting that dry eye syndrome, blepharoconjunctivitis and hordeolum can cause foreign body sensation in the eyes, so they should be actively identified. 4. Blood vessel rupture Congestion and inflammation of tiny blood vessels in the eyeball or rupture of tiny blood vessels can cause red eyes. Elevated blood pressure is the main factor causing the rupture of conjunctival capillaries, mainly manifested as the whites of the eyes and redness of the eyeballs. Faced with this problem, apply cold compresses first, and then change to hot compresses after 2 to 3 days. At the same time, it is necessary to pay attention to the blood pressure level. 5. Eye infection Once bacteria and viruses enter the eyeball, it will lead to eye infection, causing red blood in the eye, and you should seek medical attention immediately. In the case of infectious endophthalmitis or iridocyclitis, in addition to red blood in the eyes, it is also accompanied by eye pain, decreased vision, photophobia, and easy tearing; in the case of acute conjunctivitis, it is often accompanied by mucous secretions; Anterior scleritis or keratitis with only mild visual loss. 6. Increased intraocular pressure Glaucoma can cause irreversible blindness. In acute glaucoma, the intraocular pressure rises sharply, causing conjunctival congestion, resulting in eye redness, swelling, pain and blurred vision. In severe cases, nausea and vomiting, severe headache and Dizziness etc. Kindly remind that you should not use eye drops when your eyes are red, and you need to follow the doctor's advice after clarifying the cause. Use your eyes scientifically and rationally, reduce the time you spend watching electronic screens, and ensure enough sleep; you should look into the distance for a few minutes every time you use your eyes for a while; outdoor activities for more than one hour a day can relax the tight ciliary muscles of the eyes and relieve them. Eye fatigue, prevent myopia. Family doctor's online feature, may not be reproduced without authorization

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